diff --git a/components/bt/esp_ble_mesh/mesh_core/adv.c b/components/bt/esp_ble_mesh/mesh_core/adv.c
index 555e10ef02..1a0c611293 100644
--- a/components/bt/esp_ble_mesh/mesh_core/adv.c
+++ b/components/bt/esp_ble_mesh/mesh_core/adv.c
@@ -612,7 +612,7 @@ static void bt_mesh_scan_cb(const bt_mesh_addr_t *addr, s8_t rssi,
 {
 #if (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
     CONFIG_BLE_MESH_GATT_PROXY_CLIENT
-    u16_t uuid;
+    u16_t uuid = 0x0;
 #endif
 
     if (adv_type != BLE_MESH_ADV_NONCONN_IND && adv_type != BLE_MESH_ADV_IND) {